Posted by **jasmine20** on Monday, December 18, 2006 at 9:06am.

How do you solve these types of math problems.

Directions: Solve each literal equation for the indicated variable.

A=1/2h(B+b) (For b) Area of a trapezoid

It is just a matter of algebraic manipulation.

A=(1/2)h(B+b)

Multiply both sides of the equation by 2/h.

B+b = 2A/h

b = (2A/h) - B

- math,algebra -
**nick**, Monday, September 5, 2016 at 7:14pm
The formula

A

=

1

2

h

(

b

1

+

b

2

)

A=12h(b1+b2) gives the area,

A

A, of a trapezoid with parallel sides of length

b

1

b1 and

b

2

b2 and perpendicular height,

h

h .

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